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tnslistener as well as CM crashes frequently

Hi All,

Oracle version information:

VERSION INFORMATION:
TNS for Linux: Version 9.2.0.6.0 - Production
TCP/IP NT Protocol Adapter for Linux: Version 9.2.0.6.0
Linux 2.4.21-37

Problem Description:
We keep having tnslistener as well as CM crashes on one server XYZ, but we do not face the same issues on other server. It would appear there may be some setups or tuning that needs to be done on auohsinba to make it more stable.

RAC enabled the instance recently which added the second PCP node of on the affected server XYZ.

When the listener crashes it takes down the CM and causes performance issues in the instance.